It was a bit of a misnomer to say the Seahawks had a 100-yard receiver against Arizona on Sunday.

After all, Anthony McCoy is a tight end.

A backup tight end, in fact. After totaling 133 yards receiving in the first 12 games, McCoy amassed 105 Sunday, including a 67-yard reception that was Seattle’s longest this season. It was also the highest game receiving total for any Seahawk this season, surpassing Sidney Rice’s 99 yards last week in Chicago.

“He’s really, really improving every week, every game,” quarterback Russell Wilson said of McCoy. “As I throw to him more and more, we’re really clicking.”

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Zach Miller, Seattle’s starting tight end, caught a 24-yard pass in the final minute of the second quarter. Wilson completed seven passes, three of them to his tight ends.

Flynn-ing

After 12 games and most of one historically large blowout, Matt Flynn made his regular-season debut for Seattle in the third quarter.

Flynn completed five of the nine passes for 68 yards, and made perhaps the nicest throw of the game. Facing fourth-and-23 from the Arizona 33 in the fourth quarter, the Seahawks went for it and Flynn lofted a pass to the end zone as he was being hit by the Cardinals’ Darnell Dockett. Seattle receiver Jermaine Kearse got a hand on the ball, but couldn’t complete the catch.

“He needs to get some throws in just to get him some play time,” coach Pete Carroll said. “It has been really hard for Matt to have to sit back and watch this. He came here to be the starter, and it hasn’t worked out, but he’s a fantastic football player and he deserves to play.”

Flynn threw six passes in the fourth quarter, something Carroll said was entirely predicated on giving Flynn a chance to play.

“Just to get him a chance to get some confidence,” Carroll said.

Turnover a new leaf

Seattle forced eight turnovers against Arizona, which not only matched the second-most takeaways of any game in franchise history, but equaled the total from Seattle’s past six regular-season games combined.

“We wanted to come out and make a big statement,” linebacker Bobby Wagner said. “This is one of the games that we had to win.”

Wagner caught more passes from Arizona’s quarterbacks on Sunday than Larry Fitzgerald as Wagner intercepted two passes compared to Fitzgerald’s one reception for 2 yards.

“That is a funny stat,” Wagner said. “I never thought that would happen.”

What a rush

Seattle ran for 284 yards, the fourth-most in franchise history and Marshawn Lynch and Robert Turbin each surpassed 100 yards rushing. It was the first time in seven years Seattle had two 100-yard rushers in the same game. Maurice Morris and Shaun Alexander accomplished that feat against Houston on Oct. 16, 2005.